Finding the Fourth Proportional to 11,845.01, 17,777.75 and 4,828.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,845.01 : 17,777.75 = 4,828.89 : x
2. Step 2: Convert to fraction form
   11,845.01/17,777.75 = 4,828.89/x
3. Step 3: Cross multiply
   11,845.01x = 17,777.75 × 4,828.89
4. Step 4: Simplify right side
   11,845.01x = 85,846,741.72
5. Step 5: Solve for x
   x = 85,846,741.72/11,845.01
6. Step 6: Final answer
   x = 7,247.50